FILMTEC™ Membranes Commercial RO Elements Operating Limits Membrane Type Polyamide Thin-Film Composite Maximum Feed Water Silt Density Index (SDI) 5 SDI Maximum Operating Temp. 113°F (45°C) Free Chlorine Tolerance <0.1 ppm Feed water pH Range (Continuous) 2-11 Maximum Pressure Drop 13 psig (0.9 bar) Feed water pH Range (Cleaning) 1-13 Maximum Operating Pressure 600 psig (41 bar)

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Tape-Wrapped FILMTEC Membranes for Commercial Applications

Standard Membrane Elements (TW30)

Model No.	Permeate Flow Rate*(GPD/m3D)	Size (Dia."xL")	Active Surface Area (Sq. Ft.)	Single Element Recovery (%)	Applied Pressure (PSI)	Stabilized Salt Rejection (%)	Specification Sheets
TW30-2026	220 / 0.83	2.0" x 26"	7	5	225	99.5
TW30-2514	200 / 0.76	2.5" x 14"	7	5	225	99.5
TW30-2521	325 / 1.23	2.5" x 21"	13	10	225	99.5
TW30-2540	850 / 3.2	2.5" x 40"	28	5	225	99.5
TW30-4014	525 / 1.99	4" x 14"	20	15	225	99.5
TW30-4021	900 / 3.41	4" x 21"	36	15	225	99.5
TW30-4040	2,400 / 9.1	4" x 40"	78	5	225	99.5

Low and Extra Low Energy/Low Pressure membrane Elements (LP & XLE)

Model No.	Permeate Flow Rate*(GPD/m3D)	Size (Dia."xL")	Active Surface Area (Sq. Ft.)	Single Element Recovery (%)	Applied Pressure (PSI)	Stabilized Salt Rejection (%)	Specification Sheets
LP-2540	1,000 / 3.8	2.5" x 40"	28	8	145	99.0
LP-4040	2,900 / 11.0	4" x 40"	78	8	145	99.2
XLE-2521	365 / 1.38	2.5" x 21"	13	10	100	99.0
XLE-2540	850 / 3.2	2.5" x 40"	28	8	100	99.0
XLE-4021	1,028 / 3.88	4" x 21"	36	5	100	99.0
XLE-4040	2,600 / 9.8	4" x 40"	87	15	100	99.0

 

*Permeate flow and solute rejection values are based on a sodium chloride feed solution.  For more detailed product specifications and operating limits, see individual product datasheets.

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